Iron-frame window



V. GILLAR-' IRON FRAME WINDOW 2 sheets-sheer Filed Jan. 25, 1928 Wall!! 1 n lll/l 'III Ill. lll!! fa Z \ vfrllllllll Feb. 26, 1929.

V. GILLAR IRON FRAME WINDOW Filed Jan. 25, 1928 2 sheets-sheet y @D ffgfa ,Patented Feb. 26, 1929.

' U'Nrraol STATES VALERIAN GILLAR, OF VIENNA, AUSTRIA.

IRON-FRAME WINDOW.

Application led January 25, 1928, Serial No. 249,333, and in Austria .Tune 7, 1926.

This invention relates to improvements in double glazed iron-frame windowsand has for its object to improve the construction thereof .tor attaining in spite of the coi'nparatively simple manufacture, aA sufiicient tightness of the joints and insulation by avoiding condensing water..` According to the invention any water which may have penetrated is led away and the inner sides of the window-panes can be cleaned comfortably.

An inwardly opening double window is illustrated by way of example on thenccon'ipanying sheets of drawings in which,

Fig` 1 is an inside View of the window constructed according to the invention.

Fig. 2 is a sectional side viewon an enlarged scale.

Figs. 3 and 4 show in section the arrangement for closing the openings, which connect the space between the window wj'th the outside air. i

Figs. 5 and 6 show the disposition of this arrangement inthe lid of cleaning openings in elevation and section respectively.

Fig. 7 illustrates diagrammatically the introduction of cleaning devices into a window-wing.

The profile iron 1 forming the window frame is essentially U-shaped (Fig. 2) and its web is provided with two projecting corners, which form rabbets for the insertion of panes 2 and 3. The profile iron is furnished with two flanges 5 and 6, which are of different lengths and in the shut condition of the window cooperate with and rest on flanges 7 and 8 of profile iron 9, forming the sash frame and thus provide for a tight lit at the inside and outside. The profile iron 9 of the sash frame is essentially Z-shaped and near the liange 8 extends at an acute angle 10 into the wall 11, against which it rests by means of the flanges and a rim 12 extending at a right angle with respect to the flange 8.

The angle-piece 10 of the sash frame, eX- tending into the wall forms a channel, passing right around and collecting rainwater, which may have forcibly entered. The water entered at the sides of the sash frame flows into the horizontally disposed channel of its bottom part comprising small discharge-pipes 14 (Fig. 2), through which flows oli the water. The peculiar shape or profile of the sash frame provides for a tight and firm connection with the wall, without the necessity of employing claws and rolls. i

Caps 15 (Fig. 2) are screwed-into the horizontally disposed webs of the profile irons forming the window frame, the said caps heilig provided with holes for the passage of air and connect the space between the window-panes and the window gap, thus with the air at the outside. Each cap consists ot' 'a cylindric member 16 (Figs. 3 and 4,), provided with an opening 17 in its middle part, and a screw-bolt. 18 fin nished with a central bore 19 is screwed F partly into th'.l open end of the said c'rlindric member. The inner end of each bore 17 or 19 is conically enlarged and thus forms a seat for a small ball 20. Therefore in both positions, shown in Figs. 3 and el. the cap can be screwed into the profile iron by means of the screw-bolt 18 or it is possible to arrange the caps' in such a manner, that they are invisible as shown in Fig. 2. Another thin cap 21, provided with a hole 21', is pushed onto the cap 16 and may serve for securing a piece of felt, for instance a disc consisting of felt or the like and resting on the outer surface of the bottom of the cap 16.

The balls 20, consisting of a light material and fitting well to their seats, provide for a sufficient tight closure of the space between the window-panes. The enclosed air is not subjected to any change provided that its temperature rests the same.

However in case of any change of temperature a compensation takes place in consequence of the relative change of pressure.

If the enclosed unmoved air is heated, for instance owing to the influence of the sun or by an excessive heating of the room, the over-pressure caused b the expansion of the enclosed air, will li t the ball of the top cap and the air which is over is discharged until the pressure becomes equal to that of the outside air, when the ball drops onto its v seat and again closes up air-tight. Thereby also the moisture is led oli together with the surplus air, so that condensation cannot take place.

However if the enclosed air cools oft', a pressure below atmospheric arises in the space between the panes, so that the cold air from outside enters through the bottom cap until the pressures at the lnside and outside are balanced. The specific contents of moisture of the enclosed air is reduced by the admission of cold and dryv air, so that con densa'tion cannot take place.

In spite ot the communication openings With the atmosphere the enclosed air is continuously maintained at the mean temperature between the temperatures at the outside and in the room, because only the small aircurrents can take place, which balance the pressures. Therefore the arrangement provides for an etlicient insulation, prevents the formation of condensing Water and thus fully satisfies both requirements. The arrangement according to the invention avoids the drawbacks of the known communication openings between the interior of the Window and the atmosphere, which consist in that the temperature of the air Within the Windev:7 is reduced practically to the outside temperature owing to continuous air-circulation thus producing no insulation, but condensing water.

In order to facilitate the cleaning of the inside of the Window-panes, the caps 15 may be screwed into the covers 22 of longitudi nal openings, provided in the middle of the profile irons which openings permit the insertion of cleaning tools 23 (Fig. 7). The cover 22, which fits exactly into the opening, is connected by means of rivets 24 With a slightly larger tightening rubber plate 25,

and a sheet metal plate 26, both perforated for the passage of the bolt 18. The cover is secured in the closed position by rotatable bolts 27. All places of the Window can be cleaned using the top and bottom openings Ot each Window-frame.

Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that What I claim is l. Double glazed iron-frame Window provided With openings in the Window frame for establishing communication between the space enclosed by the window-panes and the open air, in which a number of openings are provided, Which can be closed in such a manner, that the air can enter at one hole or a group of holes only and leave at the other hole or group of holes only.

2. Double glazed iron-frame Window in which the Window frames are provided, at the top and bottom between the rabbets of the panes with cleaning openings, said openings being capable of being closed by lids comprising means for circulation of the air.

8. Double glazed ironframe Window as claimed in claim 2 in which the lids consist ,name to this specification.

VALERIAN GILLAR. 

